Targeted specifically at the S7-300 and S7-400 series.
It cannot unlock SFCs or SFBs as these are system-level functions stored in the PLC's internal memory. Official Alternatives for S7 Programming s7 can opener software download
A demo version of S7CanOpener v1.3 is available for download on the Runmode Downloads Page . Targeted specifically at the S7-300 and S7-400 series
The primary purpose of S7 CanOpener is to provide access to protected blocks when the original source code is unavailable. or GRAPH sources from compiled files.
As of the latest updates, version 2.0 is the current release. Registered users of older versions can typically contact the developer for free updates.
While it can unlock compiled blocks to show Statement List (STL) code, it cannot recreate the original high-level SCL, CFC, or GRAPH sources from compiled files.